When can I plant Garden Orache in Zone 4b

One of the best tools that we have as gardeners to help us estimate our gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

By referring to the USDA zone info for Zone 4b you should be able to figure out when you can plant garden orache.


Planting Calendar for Garden Orache

Frost tolerance for garden orache: Tolerant of some frost.
When you should plant them: Up to 5 weeks before last frost.

Since garden orache are one of those plants that can tolerate a little bit of cold weather you can plant them just a bit earlier in the year than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant garden orache
Possibly ok, but a risky time to plant garden orache
Probably not a good time to plant garden orache

The earliest that you can plant garden orache in Zone 4b is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant garden orache and expect a good harvest is probably August. You probably don't want to wait any later than that or else your garden orache may not have a chance to really do well. You can get started a couple of weeks earlier by starting your garden orache indoors.

Last Frost Date

On average the last frost is on May 15 in Zone 4b. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Zone 4b is not always accurate our actual date of last frost changes from year to year. Since half of the time in Zone 4b we get a frost after May 15 be ready to cover your garden orache if we have a late frost.

USDA Zone Info for Zone 4b

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Zone 4b

You may be interested in our other planting guides for Zone 4b.